Lua APA (7ú heag.)
Khurmi, R. S., & Gupta, J. K. (2001). Theory of machines. S. Chand & company.
Lua i Stíl Chicago (17ú heag.)
Khurmi, R. S., agus J. K. Gupta. Theory of Machines. New Delhi: S. Chand & company, 2001.
Lua MLA (9ú heag.)
Khurmi, R. S., agus J. K. Gupta. Theory of Machines. S. Chand & company, 2001.
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